Engine & Exhaust

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re taming an old race engine for street use. Q: I plan to install the […]

Learn how your carburetor’s power circuit affects your vehicle’s acceleration, as well as how the power valve works and how to find the perfect tune, by watching this 16-minute video. […]

We reached out to the guys in Summit Racing’s renowned tech department—the largest full-time staff in the industry—to identify and answer the five common tech questions they hear on a […]

Watch this Summit Racing Quick Flicks video and learn the basics of cutting braided hose lines and adding AN fittings to the ends. Tools You Will Need: Braided Stainless Steel […]

An improperly adjusted electric choke on a Holley four-barrel carburetor can keep your engine from idling properly during cold starts. Starting a cold engine requires a richer air/fuel mixture as […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re exploring possible causes for leak downs in Quadrajet carburetors. S.O. • Round O, […]

Prevent engine sputtering by learning how to properly tune your Holley-style four-barrel carburetor’s accelerator pump. Watch this 7-minute video and learn everything you’ll need to know to achieve smooth, consistent […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking at ways to make 400 horsepower from a Chevy 350 engine—and whether […]

In this installment of Summit Racing’s Quick Flicks, you will learn about the main metering circuit on your Holley-style carburetor. The video is 15 minutes long and covers adjusting the […]

  Move over, California–you’ve got company when it comes to strict emissions standards. New York, which had already adopted California’s low emission vehicle (LEV) standards in 1990, has now implemented […]